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I have an Audi A4, 2.4 wagon, 87000k, when should the cam belt be replaced?
The engine appears very responsive and quiet.

Kate

From the "Ask Jack" archives - 8 September 2008

The replacement period for the cam belt is every 120,000km's or 5 years whichever comes first.

To do the job to Audis recommended standards, you may be faced with a few extra's such as replacement of the tensioner pulley and guide. A water pump replacement may also be recommended as it runs off the cam belt.

Don't let the engine's performance be a guide to the cam belts durability. If it breaks there is no warning.

Its going to be an expensive repair but worth it in the long run.

A broken belt will cause severe engine damage.